43666113146055 has 32 divisors (see below), whose sum is σ = 71360208921600. Its totient is φ = 22793898406272.

The previous prime is 43666113146027. The next prime is 43666113146143. The reversal of 43666113146055 is 55064131166634.

It is not a de Polignac number, because 43666113146055 - 2²³ = 43666104757447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43666113145989 and 43666113146007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107527119 + ... + 107932448.

It is an arithmetic number, because the mean of its divisors is an integer number (2230006528800).

Almost surely, 2^{43666113146055} is an apocalyptic number.

43666113146055 is a deficient number, since it is larger than the sum of its proper divisors (27694095775545).

43666113146055 is a wasteful number, since it uses less digits than its factorization.

43666113146055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215459863.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 43666113146055 in words is "forty-three trillion, six hundred sixty-six billion, one hundred thirteen million, one hundred forty-six thousand, fifty-five".